Wherever, λo would be the Preliminary attractiveness of firefly (at x = 0). The firefly Xi and Xj distance is expressed in terms of Euclidean length as follows: Integration of 2nd electrical resistivity system and soil analysis was utilized to characterize the topsoil during the farmland of Federal College Oye-Ekiti, https://adversity23332.theideasblog.com/32137109/5-simple-techniques-for-soil-resistivity-testing-solutions-bangladesh